<page-header [action]="phActionTpl">
  <ng-template #phActionTpl>
    <button (click)="add()" nz-button nzType="primary">新建</button>
  </ng-template>
</page-header>
<div class="myform">
  <div class="mybox">
    <nz-select [nzPlaceHolder]="'请选择'" class="myselect">
      <option>1111</option>
      <option>11221</option>
      <option>1333111</option>
      <option>11444411</option>
    </nz-select>
    <br>
    <button class="mybutton">提交</button>
  </div>
</div>
